Did you know?
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut
Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s
American Foreign Trade, 1790–1812
Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio
The League of Nations, the Kellogg-Briand Pact, the Nine-Power Treaty—all were mere scraps of ...
The executive legislative "struggle" over foreign policy